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The Nikon D40 was released in 2006 as an entry level DSLR.

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How to clean the sensor?

To remove small dust/oil spots that appear in pictures using a small aperture.

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An expensive micro-fiber cloth will not scratch it.

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Looks like Nikon has a guide for that.

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Caroline Spiccioli crwdns2934231:0crwdne2934231:0
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